For a seed to germinate,the most important thing needed is

When the seed coat swells due to the entry of water,the embryo expands,but it remains physiologically dormant. What is this state called?

Seeds of parasitic plants like $Orobanche$ germinate in the presence of

Which of the following is important for seed storage?

The process of inducing germination at low temperatures is called.......

What is the essential requirement for seed germination?